Railway draft rigging



Dec. 26, 1933. J. F. O'coNNoR `RAILWAY DRAFT RIGGING m ,U 9 Q MQ F w m m @m l| ||||H||| 1 i Ngllwlmw wv @ll HI) m) aww vw, @Il d b i N NN Q m ww t mf -Il D .\J D Il ||L .ll Lllllk |H|l|||| D 5% xwwwwwm yx. @QLQQQQ QO Q .l NW ww Q Q N MNN W .friction shell of the 'shock absorbing mechanismv Patented Dec. 276, 11933 f John FJ GIConnor, Chicago, Ill., assignor toWfH;

`-Miner, Inc., Chicago, Ill., a corporation of Dela-v K i 1 scolaires; (Grazia-51) This invention relates to' improvements in rail-Y way draft riggings.` l Y l Y l X One object of the-invention is to providefa railway draft rigging vhaving longer travel in buff than 5 in draft toY provider for correspondingly greater Y shock absorbing capacity in the'former action, including aV friction 'shock absorbing mechanism having a compression strokeA of suncient-length to take carei of the longer travel in buff, wherein 'follower-actingf-means is employed cooperating with the endlof the friction shell of the shock absorbing mechanism tor limit the compression in ibuff'and stop means is provided, also cooperating withsaid follower means for restricting the com- 1 l5 pression strokein' draft of the friction shock absorbing mechanism tolless than the bufng stroke thereof. Y i* i' i n' k,Another object of the invention Ais to providein a draft rigging of the 4character described inthe preceding paragraphstop means for holding vthe against forward movementr ina draft action, and during` said actiontrestricting the movement of the follower which cooperates with thefr'iction 2 lmeans to less than the full compression stroke of said frictionmechanism. j A still further `object of the invention is :to prov idea combined stop means of the character specified in the preceding paragraph', which also acts as i asupporting means for the friction shock absorbing mechanism. e f i Y l s lA further object of the invention is to provide a railway,VV draft rigging having a longer stroke lin buif than in draft, includingv a-coupler, a yoke connected tothe coupler, a friction shock Vabsorbing `mechanism including a friction shell and cooperj ating friction elements, disposed Within the yoke,l

and combined stop means for holding the shell against forward movement in draft, and restrictking the compression strokein draft to lessthan the-full compression strokeof thefriction shock vabsorbing mechanism, wherein the yoke isvpro- *vided with rear follower means having a' boss *thereon engaging the friction elements and adapts ed to `telescope within the friction shell, the compression stroke in draft being limited byengage- L ment of said rear followermeanswith said stop means and the longer stroke in buff being provided and telescoping Yof the boss within thel'shell, the stroke in buff being limited by engagement of the 1 rearend ofthe shell withthe rear follower means.

Other objects of the invention will more .clearly appear fromA the descriptionand claims hereirr- V,In the drawing, forming a part ofnthis specification, Figure ,1 is' a, horizontal,longitudinal, sectional view of aA portion of ltheunderfrarne"struc- 6o l.

ture' of `a-railway car, at one vend ofthe same, illustrating my improvements in connection therewith. Figure 2 is a `ver-tical, longitudinal, sectional view, corresponding,'substantially to the line.`2-'2 of Figure 1. And Figure; 3 transverse, vertical, 65 sectional view; corresponding to -the line 3.-3 ,of Figure 2, saidl view'being brokeninorder toaccommodate the saine to the sheet of thedrawing.

In saiddrawing, lO- loindicate spacedchannel shaped center or draft sills of a 'railway kcar :70 underframeirhaving the usualfstriking casting 11 fixed tothe outer endsthereof, the striking casting l,carrying.thewusual Carry'iron member" 12 having a wear platethereon which cooperates vsrzitl'r ythe i shank v of ,the coupler in'v the usual man- V'Z5 ner.-y The rear stop member of the railway draft rigging is indicated byg13 and is ofthat type-which forms a combined filler land, stop, member, being located between the sillsl at the body,bolster"of the car. Portionsofthe body. bolster lare indit cated by,14`-14.,frne`stri1erig casting' nhas Y rearwardly extending sideportions ,l5-1.5, Vrwhich are providedvvith alinedcoupler key guide` openings 16--16,v said ymembers forming chekplates and being vseated `in the'usual openings provided 85 ,i

at the forward ends of the web s ofthe sills 10T-.10.

f The coupler, a portion of thehead and the shank of which only? are; shown, Y is vindicated by 17v and has the usual couplerkeylvassociatedthrewith,` theykey extending throughla transverse vopening providedlintheshank.' `V In carrying out my invention, I- provide broadly a yokemember-Av; afrontfollowerB; a shock absorbing mechanism-Og a top stopplate D; andla pair ofrcombined V supportingand bottom. .stop

platesEand F. y

The yoke memberr'Aisof thehorizontalitype and has spacedside arms 19e-19, `connected,,at their Yinner endsby alvertical, :plate-like section 20, which'forms the'rear `follower yof the yrail- 100 l wayvdraft rigging and cooperates'with the-stop casting 13.-4 At thezforwardend's, the side Vmembers are provided withv y alined n coupler keyyreceiving slots 21-21, through whichthe cou- 50 i by rearward movement of the shell through en- 5 "gagement by the inwardly moving coupler shank ypler keyliextends. vAsfwilll'be evident, ther yoke 105 Aris thus connected to ,the shankvof the. coupler w for voutward movement thereof in lol'raft'Q/and the Coupler'isimovable rearwardly withjrespect to the yoke in buff, this movement being'permittediby wardly extending central boss 22 thereon which cooperates with the friction shock absorbing mechanism C, in a manner hereinafter pointed out.

The'shock absorbing mechanism C is of the on the boss 22 of the rear followerrmeans 20 andV the boss 22, as clearly shown in Figures 1 and 2, is of such a size that it telescopes within the open end ofl theshell, thereby permitting relative movement of the shell and follower 20 in buff to the full extent of the compression stroke of the friction shock absorbing mechanism, said imovement being limited by engagement of the open end of the shell with the front face of the follower member 20. Y

The front follower member B is in the form o a yrelatively heavy, rectangular plate and is interposed between the butt endV of the coupler shank and the forward or closed end of the casing 23 of the friction shock absorbing mechanism. The top' stop plate D has a main body portion 26 provided with downturned side flanges 27-27, which are secured to the inner faces of the vertical webs of the sills l0-l0. The flanges may be securedrby any suitable means, rivets being herein shown extending through said flanges and the webs of the sills. At the forward end, the plate D is providedV with a downwardly projecting, relatively thick flange portion 28, extending transversely between the sills 10--10 and forming an upper front stop member cooperating with the front follower B. The rear end face of the plate D formsV stop means cooperating with the rear follower member 20, as hereinafter pointed out. The combined stop and supporting plates E and F are disposed adjacent the front and rear ends of the mechanism, as clearly shown in Figures l and 2. The plate E extends transversely between the sills and is relatively short, as clearly shown'in Figure 2.1 At the forward end, the plate E has an upstanding, relatively heavy flange 29 corresponding tothe flange 28 of the plate D'and forming a lower front stop shoulder cooperating with the follower B. The main body portion of the plate E is thickened, as clearly shown in Figures 2 and V3, and has a transverse key slot 30 therethrough forl a purpose lrear end edge ofthe plate D and said end edge face of the plate F forms a lower stop member :in alinement with the stop member formed by the-rear end face of the plate D and cooperating with the follower member 20. Both of the plates E and F are provided with upstanding side flanges 31--3l, which engage the lower edges of the sidearms 19-19 of the yoke, thereby supporting the yoke for sliding movement. The main body portions of the plates directly support the rear follower section 26 of the yoke has a for-Y friction shell 23 of the shock absorbing mechanism, and the front plate E also supports the front follower B for sliding movement. The plates E and F are fixed to the draft sills and supported by keys 32-32, extending through the key openings 30-30 of the plates E and F, respectively. The outer ends of the keys 32-32 are supported by angle plates 33--33 fixed to the draft sills and having openings therethrough accomodating the corresponding ends of the keys. As shown in `Figure 3, the angle plates 33-33 are riveted and bolted to the bottom flanges of the sills 1li-10, the bolts extending through the same, the keys andspacing plates 34-34. interposed between the bottom flanges ofthe sills and the heads of the bolts, the bolts serving to hold the keys `against removal.

The normalposition of the parts is that shown in Figures l and 2 of the drawing, and as will be seen upon reference to these figures the inner or rear end of the friction shell is spaced some distance forwardly of the stopV faces formed by the rear end edges of the plates -D and Further, the follower 20, which is'formed integral with the yoke, is of such a height that the top and bottom portions thereof engage the rear end edges of the plates D and F, during a draft action, to restrict the forward Vmovement of the follower 20 to less than the, full compressionA stroke of the friction shock absorbing mechanism. The space between thev flanges 28 and 29 of the plates D and E is such as to accommodate Ythe coupler shank freely for movement lengthwise of the mechanism, thereby permitting compression of the friction shock absorbing mechanism to its full extent, the compression stroke of the latterV being limited by engagement of therearend'of the shell 23 with the front face of the rear follower 20.

.As will lbe evident, the friction shock absorbing mechanism and other parts of the railway draft `rigging may be readily applied and removed, these operations being greatly facilitated by the detachable'bottom plates E and F. Asv

lic

iis

The operationof my improved railway' draft rigging is as follows: During a draftaction, the

coupler is pulled outwardly, thereby pulling the yoke A forwardly'therewith and' compressing the friction shock absorbing mechanism C against the fro-nt follower B, which is held stationary by engagementwith the front stop members 28 and 29. The compression ofthe mechanism will continue until movement of the coupler and yoke. is

limited by engagement of the rear'follower member 20 with the inner ends ofthe plates D and. F. As will be clear, movement of the follower 20is restricted to less than the full compression stroke of the friction shock absorbing mechanism. In a puffingV action, the coupler 1s forced inwardly,

thereby forcing the front follower B rearwardly iso 4with spaceddraft sins.; of a shock absorbing the shell -23 and the follower v20 being finally limited by engagement of the rear end ofthe shell with the front face of said follower. As will be clear, this stroke is much in excess of the draft j stroke hereinbefore described. I haveherein shown and now consider `the preferred mannery of carrying out my invention, but the same'is merely illustrative and'I contemplate all changes and modifications that come within'the scope of the claims appended hereto. f I claim:

`1V. In a railway draft rigging, the combination withV spaced 'draft sills; of rear stopmeans; a

coupler; a friction shock absorbing mechanism -f including a casing openat one end and having a friction shell section at said open end,and friction elements cooperating with said shell; front follower means interposed between the friction casing and the coupler butt; front stop means for limiting outward movement of said front fol-k lower; a rear follower actuated by the coupler in draft, said rear follower having a forwardly projecting boss thereon adapted to telescope described*` what I BI means.

mechanism between said sills; front and rear followers cooperating with said shock absorbing mechanism; a rear-.stop member' between said sills for limiting rearward movement of the rear follower;`front stop means forlimiting forward movement of the front `follower; additional stop jsc means for limiting forward movement ofv said rear follower; `and a supporting plate for the Y Vshock absorbing mechanism; said plate Ybeing disposed forwardly of said rear followenthe rear edgeof said supportingfplate providing an abutment shoulder forming a part of said additional stop means for the rear follower.

3. In a railway draft rigging,

between said sills; a coupler; a shock absorbing mechanism; rear follower means actuated by said coupler in draft; and combinedfstop and supporting means, said combined means supporting the shock absorbing mechanism and having front the combination vwith spaced draft sills; of a rear stop'member and rear stop shoulders', said combined means including a supporting shelf having' oner of said stop shoulders formed thereon for holding thev shock absorbing mechanism against forward movement in draft, said combined Ymeans `also including a second supporting ,shelf forwardly of saidrear shelf forming another of said stop shoulders and being engageable by said rear follower means for follower means, the rear edge of said last named Y restricting forward movement of said rear follow-- JOHN FfocoNNoR. 

